£50 Cheap Flights from Las Vegas (LAS) to Seattle (SEA)

Popular airlines from Harry Reid Intl. Airport (LAS) to Seattle-Tacoma International Airport (SEA)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 25% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Cheap Flights from Las Vegas (LAS) to Seattle (SEA)

Prices were available within the past 7 days and start at £50 for one-way flights and £154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Delta
Alaska Airlines
American Airlines
United
JetBlue Airways

Find the cheapest month to fly from Las Vegas (LAS) to Seattle (SEA)

May is typically the cheapest month to fly

From £42 - £152 per traveller.

Frequently asked questions

How much does a flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between £89 and £687 and return flights often range between £159 and £965. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
Which airlines fly direct from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter LAS to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveller to traveller. If you like to fly early, DL offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. WN offers the most daily flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 10 nonstop flights per day from Harry Reid Intl. (LAS) to Seattle - Tacoma Intl. (SEA). For even more choice, look at flights that include layovers. You'll find around 196 connecting flights per day. Some common connection points include San Diego Intl. (SAN), Los Angeles Intl. (LAX), and Sky Harbor Intl. (PHX).
What is the earliest flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Harry Reid International Airport (LAS) to Seattle - Tacoma Intl. (SEA) typically departs at approximately 12:10 AM local time. This service is operated by American Airlines and is a seasonal service active in October. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you're flying from Harry Reid International Airport (LAS) to Seattle - Tacoma Intl. (SEA), you'll typically find the most flights on a Sunday, with around 130 flights available. This gives you plenty of options to choose from. Looking at the overall week, Sundays offer notably more flight options compared to other days. Major airlines on this route include Southwest Airlines, Alaska Airlines, and United Airlines.
What are the most popular departure times for flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the morning, from 6am to 9am. About 29% of passengers prefer this time. This timing works well because you can get an early start to your travel day and arrive in Seattle with plenty of time to settle in or begin your activities.
How long does it take to fly from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A nonstop flight from LAS to SEA typically takes around 2 hours 50 minutes, covering approximately 866 miles. Connecting flights on this route usually add 5 hours 10 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for LAS to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A non-stop, one-way business class flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) is usually around £362 - £513. You may also be able to find a cheaper business class journey between Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.
How do I earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from McCarran Intl. (LAS)?
From Harry Reid International Airport (LAS), you can fly directly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Los Angeles Intl. (LAX), San Diego Intl. (SAN), John Wayne (SNA) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Las Vegas, NV (LAS-Harry Reid Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Harry Reid Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines
Return price
£154
Distance
1385 km
Average flight time
2 hours 48 mins

Explore a world of travel with Expedia

*Available to Expedia members.